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mixer [17]
4 years ago
11

How do you indicate that a substance is a solid in a chemical ecuation?

Chemistry
1 answer:
motikmotik4 years ago
6 0
Using the symbol 's' at the end of the substance (s)
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The process of breaking food is to release energy is called _____​
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Determine the molarity for the fixer Sodium carbonate decahydrate (I dissolved 127.62 grams of sodium carbonate for every 4 lite
grin007 [14]

Answer:

0.112 M.

Explanation:

  • Molarity is the no. of moles of solute in a 1.0 L of the solution.

M = n/V.

<em>M = (mass/molar mass)solute x (1000/V of the solution).</em>

mass = 127.62 g.

molar mass = 286.138 g/mol.

V of the solution = 4.0 L = 4000.0 mL.

<em>∴ M = (mass/molar mass)solute x (1000/V of the solution)</em> = (127.62 g / 286.138 g/mol) x (1000 / 4000.0 mL) = <em>0.1115 M ≅ 0.112 M.</em>

4 0
4 years ago
A ballon at 2.7atm has a volume of 1.6L.What will be the volume if the pressure is reduced to 1,3atm?
hodyreva [135]

Answer:

3.3 L

Explanation:

Step 1: Given data

  • Initial pressure (P₁): 2.7 atm
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Step 2: Calculate the final volume of the balloon

Inside the balloon we have gas. If we consider it behaves as an ideal gas, we can calculate the final volume using Boyle's law.

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3 years ago
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